-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <rte_ip.h>
#include <rte_lpm.h>
+#include <rte_malloc.h>
#include "test.h"
#include "test_xmmt_ops.h"
static int32_t test15(void);
static int32_t test16(void);
static int32_t test17(void);
+static int32_t test18(void);
+static int32_t test19(void);
+static int32_t test20(void);
+static int32_t test21(void);
rte_lpm_test tests[] = {
/* Test Cases */
test15,
test16,
test17,
+ test18,
+ test19,
+ test20,
+ test21
};
-#define NUM_LPM_TESTS (sizeof(tests)/sizeof(tests[0]))
#define MAX_DEPTH 32
#define MAX_RULES 256
#define NUMBER_TBL8S 256
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
- uint32_t ip = IPv4(0, 0, 0, 0), next_hop = 100;
+ uint32_t ip = RTE_IPV4(0, 0, 0, 0), next_hop = 100;
uint8_t depth = 24;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
- uint32_t ip = IPv4(0, 0, 0, 0);
+ uint32_t ip = RTE_IPV4(0, 0, 0, 0);
uint8_t depth = 24;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
- uint32_t ip = IPv4(0, 0, 0, 0), next_hop_return = 0;
+ uint32_t ip = RTE_IPV4(0, 0, 0, 0), next_hop_return = 0;
int32_t status = 0;
/* rte_lpm_lookup: lpm == NULL */
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
- uint32_t ip = IPv4(0, 0, 0, 0), next_hop_add = 100, next_hop_return = 0;
+ uint32_t ip = RTE_IPV4(0, 0, 0, 0), next_hop_add = 100, next_hop_return = 0;
uint8_t depth = 24;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
- uint32_t ip = IPv4(0, 0, 0, 0), next_hop_add = 100, next_hop_return = 0;
+ uint32_t ip = RTE_IPV4(0, 0, 0, 0), next_hop_add = 100, next_hop_return = 0;
uint8_t depth = 32;
int32_t status = 0;
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
- uint32_t ip1 = IPv4(127, 255, 255, 255), ip2 = IPv4(128, 0, 0, 0);
+ uint32_t ip1 = RTE_IPV4(127, 255, 255, 255), ip2 = RTE_IPV4(128, 0, 0, 0);
uint32_t next_hop_add, next_hop_return;
uint8_t depth;
int32_t status = 0;
int32_t status = 0;
/* Add & lookup to hit invalid TBL24 entry */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
next_hop_add = 100;
rte_lpm_delete_all(lpm);
/* Add & lookup to hit valid TBL24 entry not extended */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 23;
next_hop_add = 100;
/* Add & lookup to hit valid extended TBL24 entry with invalid TBL8
* entry */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 32;
next_hop_add = 100;
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
- ip = IPv4(128, 0, 0, 5);
+ ip = RTE_IPV4(128, 0, 0, 5);
depth = 32;
next_hop_add = 101;
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 32;
next_hop_add = 100;
/* Add & lookup to hit valid extended TBL24 entry with valid TBL8
* entry */
- ip_1 = IPv4(128, 0, 0, 0);
+ ip_1 = RTE_IPV4(128, 0, 0, 0);
depth_1 = 25;
next_hop_add_1 = 101;
- ip_2 = IPv4(128, 0, 0, 5);
+ ip_2 = RTE_IPV4(128, 0, 0, 5);
depth_2 = 32;
next_hop_add_2 = 102;
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 16;
next_hop_add = 100;
rte_lpm_delete_all(lpm);
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 25;
next_hop_add = 100;
/* Add rule that extends a TBL24 valid entry & lookup for both rules
* (& delete & lookup) */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
next_hop_add = 100;
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
- ip = IPv4(128, 0, 0, 10);
+ ip = RTE_IPV4(128, 0, 0, 10);
depth = 32;
next_hop_add = 101;
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
next_hop_add = 100;
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
status = rte_lpm_delete(lpm, ip, depth);
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
- ip = IPv4(128, 0, 0, 10);
+ ip = RTE_IPV4(128, 0, 0, 10);
depth = 32;
status = rte_lpm_delete(lpm, ip, depth);
/* Add rule that updates the next hop in TBL24 & lookup
* (& delete & lookup) */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
next_hop_add = 100;
/* Add rule that updates the next hop in TBL8 & lookup
* (& delete & lookup) */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 32;
next_hop_add = 100;
/* Delete a rule that is not present in the TBL24 & lookup */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
status = rte_lpm_delete(lpm, ip, depth);
/* Delete a rule that is not present in the TBL8 & lookup */
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 32;
status = rte_lpm_delete(lpm, ip, depth);
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
next_hop_add = 100;
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
- ip = IPv4(128, 0, 0, 10);
+ ip = RTE_IPV4(128, 0, 0, 10);
depth = 32;
next_hop_add = 101;
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
next_hop_add = 100;
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT((status == 0) && (next_hop_return == next_hop_add));
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
status = rte_lpm_delete(lpm, ip, depth);
status = rte_lpm_lookup(lpm, ip, &next_hop_return);
TEST_LPM_ASSERT(status == -ENOENT);
- ip = IPv4(128, 0, 0, 10);
+ ip = RTE_IPV4(128, 0, 0, 10);
depth = 32;
status = rte_lpm_delete(lpm, ip, depth);
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 32;
next_hop_add = 100;
lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
TEST_LPM_ASSERT(lpm != NULL);
- ip = IPv4(128, 0, 0, 0);
+ ip = RTE_IPV4(128, 0, 0, 0);
depth = 24;
next_hop_add_1 = 100;
depth = 32;
next_hop_add = 100;
- ip = IPv4(0, 0, 0, 0);
+ ip = RTE_IPV4(0, 0, 0, 0);
/* Add 256 rules that require a tbl8 extension */
- for (; ip <= IPv4(0, 0, 255, 0); ip += 256) {
+ for (; ip <= RTE_IPV4(0, 0, 255, 0); ip += 256) {
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
TEST_LPM_ASSERT(status == 0);
/* All tbl8 extensions have been used above. Try to add one more and
* we get a fail */
- ip = IPv4(1, 0, 0, 0);
+ ip = RTE_IPV4(1, 0, 0, 0);
depth = 32;
status = rte_lpm_add(lpm, ip, depth, next_hop_add);
config.max_rules = MAX_RULES;
config.number_tbl8s = NUMBER_TBL8S;
config.flags = 0;
- const uint32_t ip_10_32 = IPv4(10, 10, 10, 2);
- const uint32_t ip_10_24 = IPv4(10, 10, 10, 0);
- const uint32_t ip_20_25 = IPv4(10, 10, 20, 2);
+ const uint32_t ip_10_32 = RTE_IPV4(10, 10, 10, 2);
+ const uint32_t ip_10_24 = RTE_IPV4(10, 10, 10, 0);
+ const uint32_t ip_20_25 = RTE_IPV4(10, 10, 20, 2);
const uint8_t d_ip_10_32 = 32,
d_ip_10_24 = 24,
d_ip_20_25 = 25;
return PASS;
}
+/*
+ * Test for recycle of tbl8
+ * - step 1: add a rule with depth=28 (> 24)
+ * - step 2: add a rule with same 24-bit prefix and depth=23 (< 24)
+ * - step 3: delete the first rule
+ * - step 4: check tbl8 is freed
+ * - step 5: add a rule same as the first one (depth=28)
+ * - step 6: check same tbl8 is allocated
+ * - step 7: add a rule with same 24-bit prefix and depth=24
+ * - step 8: delete the rule (depth=28) added in step 5
+ * - step 9: check tbl8 is freed
+ * - step 10: add a rule with same 24-bit prefix and depth = 28
+ * - setp 11: check same tbl8 is allocated again
+ */
+int32_t
+test18(void)
+{
+#define group_idx next_hop
+ struct rte_lpm *lpm = NULL;
+ struct rte_lpm_config config;
+ uint32_t ip, next_hop;
+ uint8_t depth;
+ uint32_t tbl8_group_index;
+
+ config.max_rules = MAX_RULES;
+ config.number_tbl8s = NUMBER_TBL8S;
+ config.flags = 0;
+
+ lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
+ TEST_LPM_ASSERT(lpm != NULL);
+
+ ip = RTE_IPV4(192, 168, 100, 100);
+ depth = 28;
+ next_hop = 1;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+ tbl8_group_index = lpm->tbl24[ip>>8].group_idx;
+
+ depth = 23;
+ next_hop = 2;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+
+ depth = 28;
+ rte_lpm_delete(lpm, ip, depth);
+
+ TEST_LPM_ASSERT(!lpm->tbl24[ip>>8].valid_group);
+
+ next_hop = 3;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+ TEST_LPM_ASSERT(tbl8_group_index == lpm->tbl24[ip>>8].group_idx);
+
+ depth = 24;
+ next_hop = 4;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+
+ depth = 28;
+ rte_lpm_delete(lpm, ip, depth);
+
+ TEST_LPM_ASSERT(!lpm->tbl24[ip>>8].valid_group);
+
+ next_hop = 5;
+ rte_lpm_add(lpm, ip, depth, next_hop);
+
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+ TEST_LPM_ASSERT(tbl8_group_index == lpm->tbl24[ip>>8].group_idx);
+
+ rte_lpm_free(lpm);
+#undef group_idx
+ return PASS;
+}
+
+/*
+ * rte_lpm_rcu_qsbr_add positive and negative tests.
+ * - Add RCU QSBR variable to LPM
+ * - Add another RCU QSBR variable to LPM
+ * - Check returns
+ */
+int32_t
+test19(void)
+{
+ struct rte_lpm *lpm = NULL;
+ struct rte_lpm_config config;
+ size_t sz;
+ struct rte_rcu_qsbr *qsv;
+ struct rte_rcu_qsbr *qsv2;
+ int32_t status;
+ struct rte_lpm_rcu_config rcu_cfg = {0};
+
+ config.max_rules = MAX_RULES;
+ config.number_tbl8s = NUMBER_TBL8S;
+ config.flags = 0;
+
+ lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
+ TEST_LPM_ASSERT(lpm != NULL);
+
+ /* Create RCU QSBR variable */
+ sz = rte_rcu_qsbr_get_memsize(RTE_MAX_LCORE);
+ qsv = (struct rte_rcu_qsbr *)rte_zmalloc_socket(NULL, sz,
+ RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
+ TEST_LPM_ASSERT(qsv != NULL);
+
+ status = rte_rcu_qsbr_init(qsv, RTE_MAX_LCORE);
+ TEST_LPM_ASSERT(status == 0);
+
+ rcu_cfg.v = qsv;
+ /* Invalid QSBR mode */
+ rcu_cfg.mode = 2;
+ status = rte_lpm_rcu_qsbr_add(lpm, &rcu_cfg);
+ TEST_LPM_ASSERT(status != 0);
+
+ rcu_cfg.mode = RTE_LPM_QSBR_MODE_DQ;
+ /* Attach RCU QSBR to LPM table */
+ status = rte_lpm_rcu_qsbr_add(lpm, &rcu_cfg);
+ TEST_LPM_ASSERT(status == 0);
+
+ /* Create and attach another RCU QSBR to LPM table */
+ qsv2 = (struct rte_rcu_qsbr *)rte_zmalloc_socket(NULL, sz,
+ RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
+ TEST_LPM_ASSERT(qsv2 != NULL);
+
+ rcu_cfg.v = qsv2;
+ rcu_cfg.mode = RTE_LPM_QSBR_MODE_SYNC;
+ status = rte_lpm_rcu_qsbr_add(lpm, &rcu_cfg);
+ TEST_LPM_ASSERT(status != 0);
+
+ rte_lpm_free(lpm);
+ rte_free(qsv);
+ rte_free(qsv2);
+
+ return PASS;
+}
+
+/*
+ * rte_lpm_rcu_qsbr_add DQ mode functional test.
+ * Reader and writer are in the same thread in this test.
+ * - Create LPM which supports 1 tbl8 group at max
+ * - Add RCU QSBR variable to LPM
+ * - Add a rule with depth=28 (> 24)
+ * - Register a reader thread (not a real thread)
+ * - Reader lookup existing rule
+ * - Writer delete the rule
+ * - Reader lookup the rule
+ * - Writer re-add the rule (no available tbl8 group)
+ * - Reader report quiescent state and unregister
+ * - Writer re-add the rule
+ * - Reader lookup the rule
+ */
+int32_t
+test20(void)
+{
+ struct rte_lpm *lpm = NULL;
+ struct rte_lpm_config config;
+ size_t sz;
+ struct rte_rcu_qsbr *qsv;
+ int32_t status;
+ uint32_t ip, next_hop, next_hop_return;
+ uint8_t depth;
+ struct rte_lpm_rcu_config rcu_cfg = {0};
+
+ config.max_rules = MAX_RULES;
+ config.number_tbl8s = 1;
+ config.flags = 0;
+
+ lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
+ TEST_LPM_ASSERT(lpm != NULL);
+
+ /* Create RCU QSBR variable */
+ sz = rte_rcu_qsbr_get_memsize(1);
+ qsv = (struct rte_rcu_qsbr *)rte_zmalloc_socket(NULL, sz,
+ RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
+ TEST_LPM_ASSERT(qsv != NULL);
+
+ status = rte_rcu_qsbr_init(qsv, 1);
+ TEST_LPM_ASSERT(status == 0);
+
+ rcu_cfg.v = qsv;
+ rcu_cfg.mode = RTE_LPM_QSBR_MODE_DQ;
+ /* Attach RCU QSBR to LPM table */
+ status = rte_lpm_rcu_qsbr_add(lpm, &rcu_cfg);
+ TEST_LPM_ASSERT(status == 0);
+
+ ip = RTE_IPV4(192, 0, 2, 100);
+ depth = 28;
+ next_hop = 1;
+ status = rte_lpm_add(lpm, ip, depth, next_hop);
+ TEST_LPM_ASSERT(status == 0);
+ TEST_LPM_ASSERT(lpm->tbl24[ip>>8].valid_group);
+
+ /* Register pseudo reader */
+ status = rte_rcu_qsbr_thread_register(qsv, 0);
+ TEST_LPM_ASSERT(status == 0);
+ rte_rcu_qsbr_thread_online(qsv, 0);
+
+ status = rte_lpm_lookup(lpm, ip, &next_hop_return);
+ TEST_LPM_ASSERT(status == 0);
+ TEST_LPM_ASSERT(next_hop_return == next_hop);
+
+ /* Writer update */
+ status = rte_lpm_delete(lpm, ip, depth);
+ TEST_LPM_ASSERT(status == 0);
+ TEST_LPM_ASSERT(!lpm->tbl24[ip>>8].valid);
+
+ status = rte_lpm_lookup(lpm, ip, &next_hop_return);
+ TEST_LPM_ASSERT(status != 0);
+
+ status = rte_lpm_add(lpm, ip, depth, next_hop);
+ TEST_LPM_ASSERT(status != 0);
+
+ /* Reader quiescent */
+ rte_rcu_qsbr_quiescent(qsv, 0);
+
+ status = rte_lpm_add(lpm, ip, depth, next_hop);
+ TEST_LPM_ASSERT(status == 0);
+
+ rte_rcu_qsbr_thread_offline(qsv, 0);
+ status = rte_rcu_qsbr_thread_unregister(qsv, 0);
+ TEST_LPM_ASSERT(status == 0);
+
+ status = rte_lpm_lookup(lpm, ip, &next_hop_return);
+ TEST_LPM_ASSERT(status == 0);
+ TEST_LPM_ASSERT(next_hop_return == next_hop);
+
+ rte_lpm_free(lpm);
+ rte_free(qsv);
+
+ return PASS;
+}
+
+static struct rte_lpm *g_lpm;
+static struct rte_rcu_qsbr *g_v;
+static uint32_t g_ip = RTE_IPV4(192, 0, 2, 100);
+static volatile uint8_t writer_done;
+/* Report quiescent state interval every 1024 lookups. Larger critical
+ * sections in reader will result in writer polling multiple times.
+ */
+#define QSBR_REPORTING_INTERVAL 1024
+#define WRITER_ITERATIONS 512
+
+/*
+ * Reader thread using rte_lpm data structure with RCU.
+ */
+static int
+test_lpm_rcu_qsbr_reader(void *arg)
+{
+ int i;
+ uint32_t next_hop_return = 0;
+
+ RTE_SET_USED(arg);
+ /* Register this thread to report quiescent state */
+ rte_rcu_qsbr_thread_register(g_v, 0);
+ rte_rcu_qsbr_thread_online(g_v, 0);
+
+ do {
+ for (i = 0; i < QSBR_REPORTING_INTERVAL; i++)
+ rte_lpm_lookup(g_lpm, g_ip, &next_hop_return);
+
+ /* Update quiescent state */
+ rte_rcu_qsbr_quiescent(g_v, 0);
+ } while (!writer_done);
+
+ rte_rcu_qsbr_thread_offline(g_v, 0);
+ rte_rcu_qsbr_thread_unregister(g_v, 0);
+
+ return 0;
+}
+
+/*
+ * rte_lpm_rcu_qsbr_add sync mode functional test.
+ * 1 Reader and 1 writer. They cannot be in the same thread in this test.
+ * - Create LPM which supports 1 tbl8 group at max
+ * - Add RCU QSBR variable with sync mode to LPM
+ * - Register a reader thread. Reader keeps looking up a specific rule.
+ * - Writer keeps adding and deleting a specific rule with depth=28 (> 24)
+ */
+int32_t
+test21(void)
+{
+ struct rte_lpm_config config;
+ size_t sz;
+ int32_t status;
+ uint32_t i, next_hop;
+ uint8_t depth;
+ struct rte_lpm_rcu_config rcu_cfg = {0};
+
+ if (rte_lcore_count() < 2) {
+ printf("Not enough cores for %s, expecting at least 2\n",
+ __func__);
+ return TEST_SKIPPED;
+ }
+
+ config.max_rules = MAX_RULES;
+ config.number_tbl8s = 1;
+ config.flags = 0;
+
+ g_lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
+ TEST_LPM_ASSERT(g_lpm != NULL);
+
+ /* Create RCU QSBR variable */
+ sz = rte_rcu_qsbr_get_memsize(1);
+ g_v = (struct rte_rcu_qsbr *)rte_zmalloc_socket(NULL, sz,
+ RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
+ TEST_LPM_ASSERT(g_v != NULL);
+
+ status = rte_rcu_qsbr_init(g_v, 1);
+ TEST_LPM_ASSERT(status == 0);
+
+ rcu_cfg.v = g_v;
+ rcu_cfg.mode = RTE_LPM_QSBR_MODE_SYNC;
+ /* Attach RCU QSBR to LPM table */
+ status = rte_lpm_rcu_qsbr_add(g_lpm, &rcu_cfg);
+ TEST_LPM_ASSERT(status == 0);
+
+ writer_done = 0;
+ /* Launch reader thread */
+ rte_eal_remote_launch(test_lpm_rcu_qsbr_reader, NULL,
+ rte_get_next_lcore(-1, 1, 0));
+
+ depth = 28;
+ next_hop = 1;
+ status = rte_lpm_add(g_lpm, g_ip, depth, next_hop);
+ if (status != 0) {
+ printf("%s: Failed to add rule\n", __func__);
+ goto error;
+ }
+
+ /* Writer update */
+ for (i = 0; i < WRITER_ITERATIONS; i++) {
+ status = rte_lpm_delete(g_lpm, g_ip, depth);
+ if (status != 0) {
+ printf("%s: Failed to delete rule at iteration %d\n",
+ __func__, i);
+ goto error;
+ }
+
+ status = rte_lpm_add(g_lpm, g_ip, depth, next_hop);
+ if (status != 0) {
+ printf("%s: Failed to add rule at iteration %d\n",
+ __func__, i);
+ goto error;
+ }
+ }
+
+error:
+ writer_done = 1;
+ /* Wait until reader exited. */
+ rte_eal_mp_wait_lcore();
+
+ rte_lpm_free(g_lpm);
+ rte_free(g_v);
+
+ return (status == 0) ? PASS : -1;
+}
+
/*
* Do all unit tests.
*/
unsigned i;
int status, global_status = 0;
- for (i = 0; i < NUM_LPM_TESTS; i++) {
+ for (i = 0; i < RTE_DIM(tests); i++) {
status = tests[i]();
if (status < 0) {
- printf("ERROR: LPM Test %s: FAIL\n", RTE_STR(tests[i]));
+ printf("ERROR: LPM Test %u: FAIL\n", i);
global_status = status;
}
}
git.droids-corp.org / dpdk.git / blobdiff